Michael O'Neill can be pleased with the progress made in the transfer window so far as Stoke City tool up for the 2022/23 Championship campaign.

Last term was ultimately a disappointing one as the Potters were unable to maintain a significant play-off push but as O'Neill nears three years at the helm, failing to meet expectations again could be fatal.

Centre-back Aden Flint and midfielder Josh Laurent represent smart free-agent additions while loan pair Harry Clarke (Arsenal) and Gavin Kilkenny (Bournemouth) will add more quality to the squad and permanent signing Liam McCarron offers more depth on the left flank.

With a little more than a fortnight to go now until the start of the new season, there is still one or two more additions that you feel the Northern Irish coach will want to make.

It would not be a surprise to see the Potters dip into the loan or transfer markets again but today we've highlighted eight current free agents that they should definitely consider...

O'Neill is keen to add another centre-back ahead of the 2022/23 campaign and the experienced Gary Cahill could be a strong addition.

The 36-year-old showed last season that he is still a capable defender at Championship level as he helped Bournemouth win promotion to the Premier League.

He was released by the Cherries earlier this summer and could be a useful stopgap for the Potters while his promotion experience could prove useful as they look to return to the top flight.

Reported centre-back target Ciaran Clark looks to be on his way to Sheffield United and Michael Hector is an alternative that Stoke should consider following his release by Fulham.

The 29-year-old played was little more than a backup for the Championship title winners last season but has proven his qualities as a top-tier Championship defender in the past – with the west London club, Sheffield Wednesday, and Hull City.

He cost Fulham more than £5 million a little more than two years ago so represents excellent value as a free agent.

Perhaps not as glamourous an addition as the previous two defenders on this list, Michael Morrison is a free agent after leaving Reading.

The 34-year-old is a seasoned Championship veteran, with more than 400 appearances in the division under his belt, and could prove useful as cover at centre-back.

Morrison is an asset in both boxes – as his 32 goals and 21 assists in the EFL show – and may well be a cheaper option that the likes of Cahill and Hector.

Staying on the theme of central defenders, Naby Sarr could be an interesting addition for Stoke given his qualities in possession.

The 28-year-old was a regular fixture as Huddersfield Town reached the play-off final last season but is now a free agent.

O'Neill favours a back three and it is the formation that Sarr, who combines impressive physical attributes with a confidence on the ball, is best suited to.

Alfie Mawson's injury record is something of a red flag but if he can stay fit, he remains a defender of real quality.

He found himself down the pecking order in Marco Silva's Championship-winning Fulham squad last season but should not be short of suitors now he's a free agent.

A commanding presence at the back, the 28-year-old could be a really useful addition to Stoke's defensive ranks and will likely be attracted by the Potters' ambitions.

The final centre-back on our list, Julian Jeanvier is a player that Stoke should consider as they continue their search for another defensive addition.

Things have been a little difficult for Jeanvier after Brentford's promotion to the Premier League, with the 30-year-old not featuring once last term and then being released, but he would be a strong addition for a Championship side.

He has experience in the second tier already and may be open to stepping back down into the division.

Stoke are thought to be keen on another forward addition and Lewis Grabban is someone they should be in contact with after his Nottingham Forest departure was confirmed earlier this month.

Despite injuries, Grabban bagged 12 goals as the Reds won promotion to the Premier League last season and his record in the Championship is exemplary.

He is 34 but he's still got a lot to give and may consider a move to the Potters to aid their play-off hopes.

This one may be divisive but a short-term deal for Andy Carroll could provide O'Neill with another option in the final third.

Carroll impressed at Reading last season and was a useful option for West Bromwich Albion in the second half of the campaign but is now a free agent.

The 33-year-old's physicality would make him a different option completely to the rest of the forwards at the club, bar perhaps Nick Powell, and he could be particularly useful now teams are allowed five substitutes.